Modular combination enriched product portfolio changes, screw jacks, screw jack directly with the motor / reducer any combination motor / Special Features attachments, multiple screw jacks synchronized, integrated design, MA screw jacks, offers a variety of selection combinations . Screw lift, SWL series worm screw lift is a basic crane parts, in line with JB / T8809-2010 (formerly JB / T8809-1998, JB / ZQ4391-86) standard. Carrying capacity 2.5-120T. TP screw jack | endurance-free products (certified) | screw jacks are provided by Texas Machinery Co., Ltd. Kun-ho. Texas Haokun Machinery Co., Ltd. (www.sdnljsj.com) (www.sdnljsj.com) is a leader in Dezhou, reducer, transmission, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Endurance leadership with the staff warmly welcome all inquiries negotiations to create a better future for endurance.